package com.zhoux.basics;

import java.io.*;

/**
 * @author taoyi
 * @version 1.0
 * @date 2021/3/27 15:57
 */
public class Boxer {
    Integer i;
    int x;
    public Boxer(int y) {
        x = i + y;
        System.out.println(x);
    }
    public static void main(String[] args) {
        new Boxer(new Integer(4));
    }
}